Library sta ck construction



- W. B. LQOK.

- LIBRARY STA CK CONSTRUCTION.

APPLICATION FILED AUG.1 0| 914.

Patented Aug. '22; 1916.

2 sHEETs-SHEE'T l.

, w. B. LOOK.

LIBRARY STACK CONSTRUCTION.

APPLICATION FILED AUGJO, 1914.

Patented Aug. 22,1916;

2 SHEETS-SHEET 2.

wuzntoz its forward edge and a channel flange 21 on its rearward edge, both of which flanges have substantially the same cross section. The shelf is of reduced length at 27 so that it will exactly fit the space between the auxi .v

diary sections 2 3 or 4, 14, as shown in Fig. 1. A somewhat longer forward part of the shelf being adapted to engage with the slots 18, 18 with the rear ends of which the shoulders 28 on the shelves make positive contact.

The bar 13 is perforated to receive. the bar 29, which bar extends consecutively through a series of uprights. This baris surrounded by the sleeve 30 which ,bears positively against the bar 13, the main sections being perforated to receive both the sleeve and the, bar. The bar 29 and sleeve 30 are positively secured at the outer ends of the completed-stack in any suitable manner to prevent longitudinal movement thereof thus positively tying all of the parts together. y

The bars 13' are intended to support the platform on which the library attendants can pass from'one set of shelves to another so as to obtain access to the books. These bars may be of suflicient length to merely support a single gallery or they may extend to a series of uprights thus fastening a number of uprights together transversely in the same way as the bar 29 will fasten the uprights together longitudinally.

In Figs. 1 and 4 1' have shown a modification of the structure in which the flat interlocking bar 40 is substituted fqr the round bar 29. The bar -10 extends across the main sections 2 and extends beyond each side of the main section about an inch. The ends of the bar 40 are perforated. The ends of the bar 40 in consecutive uprights and on the same floors, are connected by the angles 41 which are bolted or riveted thereto. Diagonal braces 43 may also be used to connect the bars 40 in consecutive uprights on adjacent floors. The bar 40 is cut away at 4-2 to receive the bar 13 with which it interlocks.

I claim:

1. An upright support comprising a channel having a wide flange on each'side thereof, each of said flanges having two parallel surfaces, two of said channels being com- 'bined to form a cross shaped channel, said channels having the outer flanges thereof partly cut away at the ends thereof, a bar inserted between the inner flanges of consecutive sections and being overlapped thereby.

2. An upright support comprising a series of cross shaped hollow channels arranged one on top of another in series with their ends in direct abutment and their hollow spaces in alineinent, a bar nested in and extending across the abutting ends of two of said channels, said bar interlocking with and holding said channels in line with each other and being supported thereby, a second bar extending transversely through said first named bar and interlocked with the channels above and below said first bar.

3. An upright support comprising a ries of cross shaped hollow channels arranged one on top of another in series with their ends in direct abutment and their hol low spaces in alinement, a bar nested in and extending across the abutting ends of two of said channels, said bar interlocking with and holding said channels in line witlreach other and being supported thereby, a second bar extending transversely through said first named bar and interlocked with the channels above and below said first bar, sleeves on said second bar, the ends of said sleeves abutting against two consecutive ones of the first named bars.

4. An upright support comprising a channel having a wide flange on each side thereof, each of said flanges having two parallel surfaces, two of said channels being combined to form a cross shaped channel, said channels having the outer flanges thereof partly cut away at the ends thereof, a bar inserted between the inner flanges of consecutive sections and being overlapped thereby, channels having narrow flanges thereon fastened to said first named channels and extending t'ansversely thereto.

An upright support comprising a channel having a wide flange on each side thereof, each of said flanges having two parallel surfaces, two of said channels being combined to form a cross shaped channel, said channels having the outer flanges thereof partly cut away at the ends thereof, a bar inserted between the inner flanges of consecutive sections and being overlapped thereby, channels having narrow flanges thereon fas' tened to said first named channels and extending transversely thereto, slots in said channels, shelves adapted to engage with said slots.

(3. A library upright support comprising two small channels and two large channels, two flanges on each of said channels, the flanges of said smaller channels that are opposite each other being joined together and the flanges of said larger channels being fastened to the sides of said smaller channels, embracing the joint between the flanges of said smaller channels.

7. An upright support comprising a series of angles arranged one on top of another, each of said angles having two flanges opposite to and in line with each other, each of said flanges having a flange thereon out of line with and parallel thereto, a supporting bar nested between two adjacent sections, said bar passing between and being fastened to the parallel flanges.

8. A. section for library stack comprising a pair of channels having flanges thereon on flange thereon out of line with and parallel v v horizontal'bar nested between the-sides of and interlocking the adjacent endsof-two H of said'channels, the ends of said channels abutting against each other on both sides oi said; bar," said bar being parallel to two flanges of channels and holding abutting edges in alinement, in one" direction r and bolts passing through said bar and said each other, each of said flanges having a thereto, said channels being connected by said last named flanges, said section being recessed at the ends thereof by a part" of said last named flanges.

cutting away 9. An upright support comprising a so: ries of crossshaped hollow channels ar-.

ranged one on top of another in series with their ends in direct abutmentand their hol-,

10W spaces in alinement, ahorizontal' bar nested between the sides of and extending along the abuttingedges of two of said channels, said bar interlockin with and holdin said channels in line with each other an being supported thereby, the sides of the channels overlapping both sides of the bar and concealing t e ar between them, said channels being cut away at their corners to form a recess to receive and support the bar.

10. An upright supportcomprising a series of channels arranged one on top ofanother with their ends in direct alinement, a

horizontal bar nested between the sides-of said channels and passin transversely ,through the hollow casing ormed by said channels and interlocking the adjacent endsof two of said channels, the ends of said channels abutting against each other on both sides of said bar.

.1 11. An upright support comprising la se 1 mes of channe v other with their ends in direct alinement, a

the

transverse direction. f r; t 12.-. In an" upri ht support the Eccmhinaembracing'said channels forming said can e'abutting edges of said chanht ng secting insideof the chan In, testimonywhereof I as; my signature T in presence of twowitne meag J NT N Forums, j

s arranged oneon top of anflanges to holdthem in alinement in the;

"45-. jtion of a central member, said member coin- 3 prising two" channels abutting each etheg; j two additional channels fastened,' to. said central meinbenone on each side thereof and-fl5 a 0, 'tral support two bars nested in said-chem I nels along th :nels and assin'gthrough,saidfchannelsat iesto each other, said-bars inter- 

